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A019682 Expansion of 1/((1-4x)(1-9x)(1-10x)). 3
1, 23, 363, 4891, 60515, 710619, 8059507, 89191307, 969344739, 10390594555, 110181318611, 1158295737963, 12091317123523, 125488476039131, 1296062772061875, 13331230899395659, 136647741897916067 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (23,-166,360)

FORMULA

a(n) = -9^(n+2)/5 +5*10^(n+1)/3+2*4^(n+1)/15. - R. J. Mathar, Mar 15 2011

CROSSREFS

Sequence in context: A020000 A021664 A202666 * A021844 A019672 A021629

Adjacent sequences:  A019679 A019680 A019681 * A019683 A019684 A019685

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.